Predators of white grubs (often scarab larvae) in sandy soils. The female will dig a cell around the prey and lay and egg. Once hatched, the larvae will consume the grub and pupate before emerging from the soil.

A very large and diverse group, these are some of the most commonly seen moths around lights, and on the sides of houses in the summer.

Genus: Cucujis
Common name: Flat Bark Beetle
Habitat: Under the bark of downed Cottonwood trees.
Collected: Asotin Creek, Washington
Food: Unknown, it was thought that they fed on fungi, but current research suggests they may prey on other insects.